The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 23, 2017
Filed:
Mar. 15, 2016
Applicant:
Epistar Corporation, Hsinchu, TW;
Inventors:
Assignee:
EPISTAR CORPORATION, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2010.01); H01L 33/44 (2010.01); H01L 33/42 (2010.01); H01L 33/38 (2010.01); H01L 33/46 (2010.01); H01L 33/14 (2010.01);
U.S. Cl.
CPC ...
H01L 33/44 (2013.01); H01L 33/38 (2013.01); H01L 33/42 (2013.01); H01L 33/46 (2013.01); H01L 33/14 (2013.01);
Abstract
A light-emitting element comprises a light-emitting stack comprising an active layer for emitting a light; a window layer on the light-emitting stack; and a first insulative layer having a first refractive index on the window layer; wherein the first insulative layer has a first refractive index, and the window layer has a second refractive index, and a difference between the first refractive index and the second refractive index is larger than 1.5.